Snyder, James J.; Reid, John; Stoolmiller, Mike; Howe, George; Brown, Hendricks; Dagne, Getachew; Cross, Wendi
(Springer New York LLC, 2006 Mar)
The role of behavior observation in theory-driven prevention intervention trials is examined. A model is presented to guide choice of strategies for the measurement of five core elements in theoretically informed, randomized ...